html,
body,
#root {
  height: 100%;
}

div {
  box-sizing: border-box;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-left {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.flex-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.flex-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
}
/* 滑块样式 */
::-webkit-scrollbar-thumb {
  background-color: #9f9f9f;
  border-radius: 10px;
}
/* 滚动条轨道样式 */
::-webkit-scrollbar-track {
  background-color: #f1f1f1;
  border-radius: 10px;
}
